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					Originally Posted by WV~Yorkies  female deliver?  
 I am wondering the earliest and lastest she can go.
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  I have talked to a breeder who counts from the 1st day heat.  She said hers go from 72 to 75 days from the first spot of blood.  So I back tracked and checked my litters and found that from the onset of heat (first day I noticed blood) my litters were born from 72 to 78 days later.   
I've also had them go 65 days from 1st tie as well.